Nasdaq stocks posting largest volume increases

NEW YORK

A look at the 10 biggest volume gainers on Nasdaq at the close of trading:

China Biologic Products Inc. : Approximately 251,500 shares changed hands, a 1,848.1 percent increase over its 65-day average volume. The shares fell $.15 or 1.6 percent to $9.11.

FSI International Inc. : Approximately 6,147,600 shares changed hands, a 1,445.7 percent increase over its 65-day average volume. The shares rose $.27 or 5.9 percent to $4.87.

GTSI Corp. : Approximately 415,200 shares changed hands, a 8,374.8 percent increase over its 65-day average volume. The shares rose $.06 or 1.1 percent to $4.96.

Galena Biopharma Inc. : Approximately 23,194,000 shares changed hands, a 1,735.2 percent increase over its 65-day average volume. The shares rose $.82 or 42.1 percent to $2.77.

Heritage Oaks BanCorp. : Approximately 191,800 shares changed hands, a 1,940.0 percent increase over its 65-day average volume. The shares rose $.13 or 2.8 percent to $4.70.

LookSmart Ltd. : Approximately 380,100 shares changed hands, a 1,692.8 percent increase over its 65-day average volume. The shares fell $.21 or 15.0 percent to $1.19.

On Assignment Inc. : Approximately 2,629,100 shares changed hands, a 1,188.5 percent increase over its 65-day average volume. The shares rose $3.64 or 26.6 percent to $17.32.

Origin Agritech Ltd. : Approximately 5,309,400 shares changed hands, a 8,791.4 percent increase over its 65-day average volume. The shares rose $.57 or 22.6 percent to $3.09.

Stewart Enterprises Inc. : Approximately 3,754,700 shares changed hands, a 1,004.9 percent increase over its 65-day average volume. The shares fell $.04 or .7 percent to $5.77.

Wowjoint Holdings Ltd. : Approximately 2,184,700 shares changed hands, a 3,390.0 percent increase over its 65-day average volume. The shares rose $.05 or 9.3 percent to $.59.